code: def get_feature_concat_name(
      feature_name: str, tensor_name: str
  ) -> str:
      return feature_name + "::" + tensor_name
  
file_path: ludwig/ludwig/utils/output_feature_utils.py
imports: from typing import Dict, List
  import numpy
  import torch
  from ludwig.utils.torch_utils import sequence_length_3D, sequence_mask
label_desc: Use image node_id 1 for calling a global function with example usage: get_feature_concat_name(feature_name, tensor_name) and returns: unknown